diff --git a/seqs/webserver.sh b/seqs/webserver.sh
index 353a2a2..4acfc0e 100755
--- a/seqs/webserver.sh
+++ b/seqs/webserver.sh
@@ -4,8 +4,9 @@ serverName="nginx"
 serverPackages="nginx"
 databaseName="mariadb"
 databasePackages="mariadb-server mariadb-client"
-phpName="php7.0"
-phpPackages="${phpName}-fpm ${phpName}-json ${phpName}-mysql ${phpName}-curl ${phpName}-intl ${phpName}-mcrypt ${phpName}-gd ${phpName}-zip ${phpName}-xml ${phpName}-mbstring php-imagick php-apcu"
+phpVersion="7.3"
+phpName="php${phpVersion}"
+phpPackages="${phpName}-fpm ${phpName}-json ${phpName}-mysql ${phpName}-curl ${phpName}-intl ${phpName}-gd ${phpName}-zip ${phpName}-xml ${phpName}-mbstring php-imagick php-apcu"
 
 step_1_info() { echo -e "Installation of $serverName and ${databaseName} packages:\n                $serverPackages $databasePackages"; }
 step_1_alias() { ALIAS=install; }
@@ -16,22 +17,23 @@ step_1() {
   endReturn
   exe apt install $serverPackages
   saveReturn $?
+  endReturn
 }
 
 step_2_info() { echo "Basic nginx configuration for initial letsencrypt certificate creation"; }
 step_2() {
   # Writing acme-challenge code snipped for certbot web root authentication
   addConf -c "$snippetLetsencrypt" "$snippetLetsencryptLoc"
-  
+
   # Writing minimal default (see below)
   addConf -c "$siteDefaultIp4" "$siteDefaultLoc"
-  
+
   # try fix errors on first install attempt
   # (possible missing ipv6 support on system)
   if [ $ERNO -ne 0 ] ; then
     exe apt install nginx
   fi
- 
+
   # create webroot 
   exe mkdir -p "$siteLetsencryptWww"
 
@@ -44,15 +46,15 @@ step_2() {
 snippetLetsencryptLoc="/etc/nginx/snippets/letsencrypt.conf"
 siteLetsencryptWww="/var/www/letsencrypt"
 snippetLetsencrypt="\
-location ^~ /.well-known/acme-challenge/ {
+  location ^~ /.well-known/acme-challenge/ {
   default_type \"text/plain\";
   root ${siteLetsencryptWww};
 }"
 siteDefaultLoc="/etc/nginx/sites-available/default"
 siteDefaultIp4="server {
-  listen 80 default_server;
+listen 80 default_server;
 
-  include ${snippetLetsencryptLoc}; 
+include ${snippetLetsencryptLoc}; 
 }"
 
 step_3_info() { echo "Secure mariadb installation"; }
@@ -63,19 +65,19 @@ step_3() {
 step_4_info() { echo "Mariadb configuration"; }
 step_4() {
   addConf -c "$mariadbConfig" "$mariadbConfigLoc"
-  
+
   echo -n "Restarting mysql ... "
   exe service mysql restart && echo "ok"
 }
 
 mariadbConfigLoc="/etc/mysql/mariadb.conf.d/90-myconfig.cnf"
 mariadbConfig="\
-[mysqld]
-innodb_large_prefix=on
-innodb_file_format=barracuda
-innodb_file_per_table=true
+  [mysqld]
+  innodb_large_prefix=on
+  innodb_file_format=barracuda
+  innodb_file_per_table=true
 
-lower_case_table_names=0
+  lower_case_table_names=0
 
 #innodb_force_recovery=6"
 
@@ -84,35 +86,35 @@ step_5() {
   exe apt install $phpPackages
 }
 
-phpFpmConfigLocation="/etc/php/7.0/fpm/conf.d/90-custom_pi.ini"
+phpFpmConfigLocation="/etc/php/${phpVersion}/fpm/conf.d/90-custom_pi.ini"
 phpFpmConfig="\
-post_max_size=64M
-max_execution_time=600
+  post_max_size=64M
+  max_execution_time=600
 
-apc.enable_cli=1
+  apc.enable_cli=1
 
-date.timezone = Europe/Berlin
+  date.timezone = Europe/Berlin
 
-opcache.enable=1
-opcache.enable_cli=1
-opcache.interned_strings_buffer=8
-opcache.max_accelerated_files=10000
-opcache.memory_consumption=128
-opcache.save_comments=1
-opcache.revalidate_freq=1"
+  opcache.enable=1
+  opcache.enable_cli=1
+  opcache.interned_strings_buffer=8
+  opcache.max_accelerated_files=10000
+  opcache.memory_consumption=128
+  opcache.save_comments=1
+  opcache.revalidate_freq=1"
 
-phpCliConfigLocation="/etc/php/7.0/cli/conf.d/90-custom_pi.ini"
-phpCliConfig="\
-date.timezone = Europe/Berlin"
+  phpCliConfigLocation="/etc/php/${phpVersion}/cli/conf.d/90-custom_pi.ini"
+  phpCliConfig="\
+    date.timezone = Europe/Berlin"
 
-step_6_info() { echo -e "Configuration of ${phpName} fpm and cli\n"; }
-step_6() {
-  addConf -c "$phpFpmConfig" "$phpFpmConfigLocation"
-  addConf -c "$phpCliConfig" "$phpCliConfigLocation"
+  step_6_info() { echo -e "Configuration of ${phpName} fpm and cli\n"; }
+  step_6() {
+    addConf -c "$phpFpmConfig" "$phpFpmConfigLocation"
+    addConf -c "$phpCliConfig" "$phpCliConfigLocation"
 
-  echo -n "Restarting ${phpName} ... "
-  exe service ${phpName}-fpm restart && echo "ok"
-}
+    echo -n "Restarting ${phpName} ... "
+    exe service ${phpName}-fpm restart && echo "ok"
+  }
 
 step_10_info() { echo -e "Create mysql database without specific characterset\n"; }
 step_10_alias() { ALIAS="createdb"; }
@@ -135,7 +137,7 @@ step_10() {
   read -p "Enter mysql user name: " mysqlUser
   endCheckEmpty mysqlDatabase "user name"
 
-  read -p "Enter mysql user password: " mysqlPass
+  read -s -p "Enter mysql user password: " mysqlPass
   endCheckEmpty mysqlPass "password"
   exe mysql -u root -e 'CREATE USER '"'"$mysqlUser"'"'@'"'"'localhost'"'"' IDENTIFIED BY '"'"$mysqlPass"'"';'
   saveReturn $?
@@ -170,7 +172,7 @@ step_12() {
   read -p "Enter mysql user name: " mysqlUser
   endCheckEmpty mysqlDatabase "user name"
 
-  read -p "Enter mysql user password: " mysqlPass
+  read -s -p "Enter mysql user password: " mysqlPass
   endCheckEmpty mysqlPass "password"
   exe mysql -u root -e 'CREATE USER '"'"$mysqlUser"'"'@'"'"'localhost'"'"' IDENTIFIED BY '"'"$mysqlPass"'"';'
   saveReturn $?
@@ -183,5 +185,17 @@ step_12() {
   exe mysql -u root -e 'FLUSH PRIVILEGES;'
 }
 
+step_14_info() { echo "Backup and restore a mysql database"; }
+step_14_alias() { ALIAS="backup"; }
+step_14() {
+  echo "Dump the existing database with:"
+  echo "  mysqldump --single-transaction nextcloud_db > NextcloudBackup_DB_\`date +\"%Y%m%d\"\`.sql"
+  echo
+  echo "Restore with:"
+  echo "  mysql -e \"DROP DATABASE nextcloud_db\""
+  echo "  mysql -e \"CREATE DATABASE nextcloud_db\""
+  echo "  mysql nextcloud_db < NextcloudBackup_DB_20170912.sql"
+}
+
 VERSION_SEQREV=3
 . sequencer.sh